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Patent:US1629615


Patent:US 1629615
Title:Adding Machine
Date:24.05.1927
Place:
Country:USA
Person:Dunning, William (P), Jacob Bachofen
Company:McCaskey Register Company
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1629615 (espacenet),  US1629615 (uspto)


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Aus der Patentschrift US1629615